-3 1/2" Intake Horn
-O-Ring
-Mounting studs and nuts
-Powder coating
-NO Tuning required, bolt on!
-Will fit on stock truck no other modifications or upgrades necessary!
Limited Supply
Availability: WCFab Red, Bengal Red, Flat Black, Gloss White, and Gloss Black in stock and ships in 3-5 business days. 10-15 business day lead time on other colors. CLEARANCE ITEM.
ALL SALES FINAL.
3 1/2" Turbo Intake Horn for the 2017-2019 L5P Duramax with factory style Turbo. The OEM plastic intake horn is 2.4" in diameter, and we experienced a 25HP Gain with our 3.5" Horn when used with a Max Effort Tune. Tuning is unnecessary; this horn will work with plug-and-play tuners or OEM calibration.
-NO Tuning required; bolt on!
-Will fit with OEM or any aftermarket intake kit.
-Will fit on stock truck no other modifications or upgrades necessary!
WCFab Red, Bengal Red, Flat Black, Gloss White, and Gloss Black in stock and ships in 3-5 business days. 10-15 business day lead time on other colors. CLEARANCE ITEM.
ALL SALES FINAL.
This Product cannot ship to the state of California
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Michael B. Verified Customer
11-05-25
Easy
Customer Service
5 / 5
Delivery
5 / 5
Product Satisfaction
5 / 5
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Corey R. Verified Customer
11-05-25
Very easy sight to Navigate and customer service has been great so far.
Customer Service
5 / 5
Delivery
3 / 5
Product Satisfaction
5 / 5
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Matt W. Verified Customer
11-05-25
Have never had an issue with their products and their intel and customer service has always been extremely professional
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